MCP Server Registry

Open-source tax skills for AI — 371 skills across 134 countries. Upload to any LLM or connect via MCP. Quality-tiered Q1–Q5.

Multi-agent orchestrator for Claude Code. Spawn, coordinate and monitor AI agents in parallel — no API key required.

Fill standard legal agreement templates (NDAs, SAFEs, NVCA docs, employment) as DOCX files.

Swift community driven package for OpenAI public API

MCP server exposing OpenAI organization costs endpoint as a tool

Example apps for the Apps SDK

Make calls to OpenAI's chat completions.

The FileSearch MCP Server is a lightweight FastMCP service that takes a user question, calls OpenAI’s File Search on a designated vector store, and returns the raw ranked chunks unchanged.

Dockerized MCP server for OpenAI models

OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)

An MCP server integrating with OpenAI TTS (text-to-speech) API

workshop materials to build intelligent solutions on Open AI

Shared long-term memory vault for AI agents with 20 MCP tools.

An open-source AI assistant framework with skills and agent architecture

OpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)

Access the OpenAlex academic research catalog - 270M+ publications through MCP.

MCP server for OpenAlex API - enabling literature review and research landscaping

Documentation

MCP server for Ameba Design System Spindle

Unified CLI + MCP Server for OpenApe

A simple mcp to wrap the x apis.

Generate a MCP server based on OpenAPI specifications

The OpenAPI-MCP proxy translates OpenAPI specs into MCP tools, enabling AI agents to access external APIs without custom wrappers!

OpenAPI to MCP Server Code Generator